Perhaps you should try some spelling variations:
nhanh lang » nhanh quang, nhanh thang, nhan dang
cong thanh » dong thanh, cong trinh, truong thanh
hoc thieu » toc thieu, hoc hien
ho chieu » theo chieu, doi chieu, mot chieu
lang cua » mang cua, hang cua, long cua
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong ty
tran van » luan van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (ho chieu)) xanh - nhanh lang cua dung ((cong tan) OR (cong thanh)) tran van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (ho chieu)) xanh - nhanh lang cua dung ((cong tan) OR (cong thanh)) tran van.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (ho chieu)) xanh - nhanh lang cua dung ((cong tan) OR (cong thanh)) tran van".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (ho chieu)) xanh - nhanh lang cua dung ((cong tan) OR (cong thanh)) tran van*.